| Prime Elstree Ltd | Administrative & support | 2020 |
| Prime Exit Ltd | Real estate | 2026 |
| Prime Focus Media UK Limited | Information & communication | 2020 |
| Prime Focus Technologies UK Limited | Information & communication | 2008 |
| Prime Forma Ltd | Construction | 2025 |
| Prime Global Capital Limited | Financial services | 2016 |
| Prime Haul Ltd | Transport & logistics | 2024 |
| Prime Haven Investments Ltd | Real estate | 2026 |
| Prime Hive Virtual Assistant Limited | Administrative & support | 2025 |
| Prime Home Cleaning Ltd | Administrative & support | 2024 |
| Prime Housing Solutions Ltd | Real estate | 2016 |
| Prime Infosec Ltd | Information & communication | 2024 |
| Prime Manor Ltd | Real estate | 2025 |
| Prime Mart Hub Ltd | Wholesale & retail | 2026 |
| Prime Mascots Ltd | Information & communication | 2017 |
| Prime Medical Contracts Ltd | Health & social care | 2023 |
| Prime Mobile Mechanics Ltd | Wholesale & retail | 2025 |
| Prime One Doors Limited | Manufacturing | 2025 |
| Prime Partners Ltd | Professional & scientific | 2022 |
| Prime Pickings Ltd | Wholesale & retail | 2023 |
| Prime Pillar Ltd | Real estate | 2016 |
| Prime Polymers & Compounders Ltd. | Manufacturing | 1993 |
| Prime Post (Europe) Limited | Arts & recreation | 2005 |
| Prime Power and Security Ltd | Construction | 2020 |
| Prime Professional Recruitment Limited | Administrative & support | 2004 |
| Prime Property Group (Yorkshire) Ltd | Real estate | 2020 |
| Prime Real Estate Yorkshire Ltd | Real estate | 2020 |
| Prime Selection Group Limited | Administrative & support | 2020 |
| Prime Shield Plumbing Ltd | Construction | 2024 |
| Prime Sight (Yorkshire) Limited | Construction | 1999 |
| Prime Studios Ltd | Information & communication | 2007 |
| Prime Vision Plus Ltd | Professional & scientific | 2017 |
| PRIME2RU Ltd | Transport & logistics | 2024 |
| Primeasset Limited | Real estate | 2000 |
| Primecare Oral Health Services Limited | Health & social care | 1995 |
| Primeforce Group Limited | Administrative & support | 2025 |
| Primeherbs Herbal Laboratories Ltd | Manufacturing | 2013 |
| Primehold Estates Ltd | Real estate | 2025 |
| Primekings Holding Limited | Administrative & support | 2013 |
| Primelets Properties Ltd | Real estate | 2014 |
| Primepanel Limited | Professional & scientific | 2002 |
| Primepath Engineering Ltd | Professional & scientific | 2024 |
| Primepath International Services Limited | Wholesale & retail | 2025 |
| Primepro Software Limited | Information & communication | 2017 |
| Primeshine Solutions Leeds Ltd | Administrative & support | 2025 |
| Primethos Accounting Ltd | Professional & scientific | 2020 |
| Primevue Properties Ltd | Real estate | 2023 |
| Primitive Developments Limited | Real estate | 1990 |
| Primley Care Limited | Real estate | 2023 |
| Primley Park D Ltd | Health & social care | 2023 |
| Primley Park Dentistry Limited | Health & social care | 2024 |
| Primley Park Road Management Company Limited | Households | 1997 |
| Primley Property Ltd | Real estate | 2021 |
| Primo Food & Beverage Ltd | Wholesale & retail | 2018 |
| Primo Marketplace Limited | Professional & scientific | 2025 |
| Primo Posture Limited | Professional & scientific | 2022 |
| Primont Ltd | Construction | 2017 |
| Primor Freight Limited | Transport & logistics | 1986 |
| Primrose Bidco Limited | Financial services | 2020 |
| Primrose Consultancy Services Ltd | Information & communication | 2021 |
| Primrose Consultancy Yorkshire Ltd | Professional & scientific | 2022 |
| Primrose Court (RTM) Limited | Households | 2009 |
| Primrose Midco 1 Limited | Financial services | 2020 |
| Primrose Midco 2 Limited | Financial services | 2020 |
| Primrose Topco Limited | Financial services | 2020 |
| Primus Property Management Ltd | Construction | 2024 |
| Prince Engineering & Construction Ltd | Construction | 2020 |
| Princess Court (Leeds) Services Limited | Households | 1980 |
| Princess Road (58-60) Management Company Ltd | Households | 2013 |
| Principal Property Lets Ltd | Real estate | 2021 |
| Principle Design Ltd | Information & communication | 2018 |
| Principle Healthcare International Limited | Manufacturing | 2004 |
| Principle Healthcare Limited | Manufacturing | 2001 |
| Principle Psychology Practice Ltd | Education | 2020 |
| Principle Wealth Management Ltd | Financial services | 2010 |
| Principles Agency Limited | Professional & scientific | 2015 |
| Principles Communications Limited | Professional & scientific | 1986 |
| Print and Stitch Limited | Extraterritorial | 2025 |
| Print Digital Media Ltd | Manufacturing | 2017 |
| Print ME a Shirt Limited | Wholesale & retail | 2010 |
| Print Merch Ltd | Wholesale & retail | 2024 |
| Print-Leeds Limited | Manufacturing | 2001 |
| Printed Merch Ltd | Manufacturing | 2023 |
| Printeeno Ltd | Wholesale & retail | 2021 |
| Printer Deal Limited | Real estate | 2005 |
| Printers Superstore Limited | Manufacturing | 1994 |
| Printers Superstore Machinery Sales Limited | Manufacturing | 2005 |
| Prints of Thieves Limited | Manufacturing | 2019 |
| Printshop Screen Printing Limited | Manufacturing | 2014 |
| Printworks North Holdings Ltd | Manufacturing | 2024 |
| Priority Reporting Services Ltd | Health & social care | 2026 |
| Priority Support Ltd | Administrative & support | 2020 |
| Priors Medical (Essex) Limited | Health & social care | 2020 |
| Priors Medical (Knightsbridge) Limited | Education | 2020 |
| Priors Medical (Marylebone) Limited | Health & social care | 2020 |
| Priors Medical Group Limited | Health & social care | 2019 |
| Priors Properties Ltd | Real estate | 2013 |
| Priors Skin Limited | Education | 2020 |
| Priory Pharmacy Limited | Health & social care | 2008 |
| Prism Eyewear Ltd | Wholesale & retail | 2024 |